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Available Form:   Tablet
Manufacturer name:   Laboratoire Riva
Generic name:   mirtazapine
Strength:   15mg, 30mg, 45mg

What is Riva Mirtazapine?

Mirtazapine belongs to the group of medications known as tetracyclic antidepressants. Antidepressants are used to help relieve the symptoms of Depression such as feeling low, sleeping problems, loss of appetite, and loss of interest in activities that you would normally enjoy doing.

Riva Mirtazapine Price and Cost Calculator

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Estimated Copay

$4.37  

Drug cost

$8.84

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$12.99

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$17.46

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Riva Mirtazapine frequently asked questions

Can I Get Same-Day Delivery?

Yes! We do provide same-day delivery in select areas. We do next business day delivery and can also ship overnight as well.

How Much is Shipping Cost for Riva Mirtazapine in Canada?

Shipping cost for Riva Mirtazapine to you in Canada is zero. Pocketpills offers FREE shipping anywhere in Canada to help you get access to treatment.

How to get Riva Mirtazapine delivered to my home?

You could get Riva Mirtazapine delivered at your doorstep from us in Canada if you ordered prescription medications with a valid prescription. If you are not sure if we deliver to your area, contact us.

How to get Riva Mirtazapine in Canada for free?

You can get Riva Mirtazapine for free in Canada if your health insurance provider covers it fully. Contact your provider or us to help you find out if you qualify to get Riva Mirtazapine for free.

Riva Mirtazapine How to Take

Mirtazapine belongs to the group of medications known as tetracyclic antidepressants. Antidepressants are used to help relieve the symptoms of Depression such as feeling low, sleeping problems, loss of appetite, and loss of interest in activities that you would normally enjoy doing.

When you have depression, certain chemicals in the brain are out of their normal balance. Antidepressants such as mirtazapine work by helping to bring the chemicals back into balance. Antidepressants usually take at least a few weeks to achieve their beneficial effect, so it is important to have patience and take the medication exactly as prescribed by your doctor.

Riva Mirtazapine may be available under multiple brand names and/or in several different forms. Any specific brand name of Riva Mirtazapine may not be available in all of the forms or approved for all of the conditions discussed here. As well, some forms of Riva Mirtazapine may not be used for all of the conditions discussed here.

Your doctor may have suggested Riva Mirtazapine for conditions other than those listed in these drug information articles. If you have not discussed this with your doctor or are not sure why you are taking Riva Mirtazapine, speak to your doctor. Do not stop taking Riva Mirtazapine without consulting your doctor.

Do not give Riva Mirtazapine to anyone else, even if they have the same symptoms as you do. It can be harmful for people to take Riva Mirtazapine if their doctor has not prescribed it.

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Riva Mirtazapine Dosage

The recommended starting dose of mirtazapine for adults is 15 mg taken once daily in the evening before going to bed. The doctor may increase the dose to 30 mg after 1 to 2 weeks, depending on circumstances. The maximum recommended dose of mirtazapine is 45 mg daily. Swallow the tablets whole with water. Do not chew the tablets.

If you are taking the orally disintegrating tablet form of mirtazapine, it is important to handle these tablets properly.

The orally-disintegrating tablets have been designed to rapidly dissolve on the tongue and can be swallowed with saliva. Ensure that your hands are dry when you remove the tablet from its blister packaging, and then immediately place the tablet on your tongue. Note that tablets must be used immediately after removal from packaging. The tablets cannot be stored once they are removed from their packaging.

Many things can affect the dose of medication that a person needs, such as body weight, other medical conditions, and other medications. If your doctor has recommended a dose different from the ones listed here, do not change the way that you are taking the medication without consulting your doctor.

It is normal to not feel any difference for the first 2 to 4 weeks of taking Riva Mirtazapine. If you have side effects from Riva Mirtazapine, talk with your doctor or pharmacist before stopping it.

It is important to take Riva Mirtazapine exactly as prescribed by your doctor. If you miss your evening dose, do not take the missed dose the next morning. Skip the missed dose and continue with your regular dosing schedule in the evening. Do not take a double dose to make up for a missed one. If you are not sure what to do after missing a dose, contact your doctor or pharmacist for advice.

Store Riva Mirtazapine at room temperature, protect it from light and moisture, and keep it out of the reach of children.

Do not dispose of medications in wastewater (e.g. down the sink or in the toilet) or in household garbage. Ask your pharmacist how to dispose of medications that are no longer needed or have expired.

Riva Mirtazapine Side Effects

Many medications can cause side effects. A side effect is an unwanted response to a medication when it is taken in normal doses. Side effects can be mild or severe, temporary or permanent.

The side effects listed below are not experienced by everyone who takes Riva Mirtazapine. If you are concerned about side effects, discuss the risks and benefits of Riva Mirtazapine with your doctor.

The following side effects have been reported by at least 1% of people taking Riva Mirtazapine. Many of these side effects can be managed, and some may go away on their own over time.

Contact your doctor if you experience these side effects and they are severe or bothersome. Your pharmacist may be able to advise you on managing side effects.

  • Constipation
  • dizziness
  • drowsiness
  • Dry Mouth
  • headache
  • increased appetite
  • nausea
  • nightmares or vivid dreams
  • restlessness
  • weakness
  • weight gain

Although most of the side effects listed below don't happen very often, they could lead to serious problems if you do not seek medical attention.

Check with your doctor as soon as possible if any of the following side effects occur:

  • abnormal heart rate or rhythm
  • aggressive behaviour
  • burning, tingling, stinging or tickly sensations on the skin
  • confusion or changes in thought patterns
  • difficulty urinating
  • dizziness when standing from a sitting or lying position
  • fainting
  • hallucinations (hearing, seeing, or feeling things that are not there)
  • joint or muscle pain
  • mania, or feeling "high"
  • restless legs
  • signs of worsening depression (e.g., poor concentration, changes in weight, changes in sleep, decreased interest in activities, thoughts of suicide)      
  • signs of infection (such as sore throat, chills, and Fever, mouth sores)
  • signs of liver problems (e.g., nausea, vomiting, Diarrhea, loss of appetite, weight loss, yellowing of the skin or whites of the eyes, dark urine, pale stools)
  • signs of muscle breakdown (e.g., aching or tender muscles, dark "tea-coloured" urine)
  • swelling of feet and hands due to fluid retention
  • symptoms of high blood sugar (e.g., frequent urination, increased thirst, excessive eating, unexplained weight loss, poor wound healing, infections, fruity breath odour)
  • symptoms of low sodium in the body (e.g., weakness, drowsiness, confusion, combined with achy stiff muscles)
  • trouble speaking
  • uncontrolled sudden movement
  • unusual bruising or bleeding
  • vision changes

Stop taking the medication and seek immediate medical attention if any of the following occur:

  • numbness or swelling in the mouth
  • seizures
  • signs of an allergic reaction (e.g., difficulty breathing, Hives, swelling of the face or throat)
  • signs of neuroleptic malignant syndrome (e.g., confusion, reduced consciousness, high fever, or muscle stiffness)
  • signs of pancreatitis (e.g., abdominal pain on the upper left side, back pain, nausea, fever, chills, rapid heartbeat, swollen abdomen)
  • signs of serotonin syndrome (e.g., delirium, agitation, muscle rigidity, movement difficulty)
  • signs of a severe skin reaction such as blistering, peeling, a rash covering a large area of the body, a rash that spreads quickly, or a rash combined with fever or discomfort
  • swelling of the hands or feet with shortness of breath
  • thoughts of suicide or hurting yourself

Some people may experience side effects other than those listed. Check with your doctor if you notice any symptom that worries you while you are taking Riva Mirtazapine.

Personalized PocketPacks

We sort your medication into clearly labeled, individual packs so you can be sure you're taking the right dose at the right time.

Riva Mirtazapine Available Form

Each red-brown oval, film-coated tablet, debossed "3" on the left side of a score line and "0" on the right side, and inscripted "MIR" on the other side of the tablet, contains mirtazapine 30 mg. Nonmedicinal ingredients: colloidal silicon dioxide, yellow iron oxide, red iron oxide, lactose monohydrate, macrogol/PEG 3350, magnesium stearate, microcrystalline cellulose, polyvinyl alcohol-part. hydrolyzed, sodium starch glycolate, talc, and titanium dioxide.

Riva Mirtazapine Contraindications

Do not take mirtazapine if you:

  • are allergic to mirtazapine or any ingredients of the medication
  • have taken any MAO inhibitors (e.g., Phenelzine, Tranylcypromine) in the previous 2 weeks

Discreet Packaging

Your privacy is important. That's why we send your medication inside a plain delivery box so no one will know what's inside.

Riva Mirtazapine Precautions

There may be an interaction between mirtazapine and any of the following:

If you are taking any of these medications, speak with your doctor or pharmacist. Depending on your specific circumstances, your doctor may want you to:

  • stop taking one of the medications,
  • change one of the medications to another,
  • change how you are taking one or both of the medications, or
  • leave everything as is.

An interaction between two medications does not always mean that you must stop taking one of them. Speak to your doctor about how any drug interactions are being managed or should be managed.

Medications other than those listed above may interact with Riva Mirtazapine. Tell your doctor or prescriber about all prescription, over-the-counter (non-prescription), and herbal medications that you are taking. Also tell them about any supplements you take. Since caffeine, alcohol, the Nicotine from cigarettes, or street drugs can affect the action of many medications, you should let your prescriber know if you use them.

Riva Mirtazapine Warnings

Before you begin taking a medication, be sure to inform your doctor of any medical conditions or Allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health. These factors may affect how you should take Riva Mirtazapine.

Abnormal heart rhythms: Mirtazapine may cause a heart rhythm problem called QT prolongation. If you have a history of QT prolongation, slow or irregular heartbeat, irregular heart rhythm, heart failure, Heart Attack, heart disease, taking other medications known to cause QT prolongation, or a family history of sudden cardiac death at less than 50 years of age, discuss with your doctor how Riva Mirtazapine may affect your medical condition, or how your medical condition may affect the dosing and effectiveness of Riva Mirtazapine. Your doctor will perform tests at regular intervals to monitor for any changes in your heart rhythm.

Blood disorders: Mirtazapine can affect the production of blood cells in your body. It may cause a reduced number of white blood cells to be available to fight infection. If you notice any signs of infection, such as fever, chills, sore throat or flu-like symptoms, contact your doctor as soon as possible.

Diabetes: Mirtazapine may cause a loss of control of diabetes by increasing blood glucose (sugar). If you have diabetes or are at risk for developing diabetes, discuss with your doctor how Riva Mirtazapine may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Riva Mirtazapine, and whether any special monitoring is needed.

Drowsiness/reduced alertness: Mirtazapine may cause drowsiness. People taking mirtazapine should avoid operating hazardous machinery (including cars) until they are certain that the medication does not impair their mental alertness, judgment, or physical coordination.

Medical conditions: Mirtazapine may worsen a number of medical conditions. If you have Glaucoma, Low Blood Pressure (especially low blood pressure upon standing up [orthostatic hypotension]), prostate problems, or urinary retention, discuss with your doctor how Riva Mirtazapine may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Riva Mirtazapine, and whether any special monitoring is needed. If symptoms of any of these conditions worsen, contact your doctor as soon as possible.

Kidney Disease: Kidney disease or reduced kidney function may cause Riva Mirtazapine to build up in the body, causing side effects. If you have kidney problems, discuss with your doctor how Riva Mirtazapine may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Riva Mirtazapine, and whether any special monitoring is needed. Your doctor may want to test your liver function regularly with blood tests while you are taking Riva Mirtazapine.

Lactose intolerance: Riva Mirtazapine contains lactose. If you have galactose intolerance (galactosemia, glucose-galactose malabsorption, or Lapp lactase deficiency) you should not take Riva Mirtazapine. Talk to your doctor about other alternatives.

Liver disease: Liver disease or reduced liver function may cause Riva Mirtazapine to build up in the body, causing side effects. If you have liver problems, discuss with your doctor how Riva Mirtazapine may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Riva Mirtazapine, and whether any special monitoring is needed. Your doctor may want to test your liver function regularly with blood tests while you are taking Riva Mirtazapine.

If you experience symptoms of liver problems such as fatigue, feeling unwell, loss of appetite, nausea, yellowing of the skin or whites of the eyes, dark urine, pale stools, abdominal pain or swelling, and itchy skin, contact your doctor immediately.

Neuroleptic malignant syndrome (NMS): Mirtazapine, like other medications that affect serotonin, can cause a potentially fatal syndrome known as neuroleptic malignant syndrome (NMS). If you notice the symptoms of NMS such as high fever, muscle stiffness, confusion or loss of consciousness, sweating, racing or irregular heartbeat, or fainting, get immediate medical attention.

Seizures: If you have a seizure disorder or a history of seizures, discuss with your doctor how Riva Mirtazapine may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Riva Mirtazapine, and whether any special monitoring is needed.

Serotonin Syndrome: Severe reactions are possible when mirtazapine is combined with other medications that act on serotonin, such as antipsychotics, "triptan" migraine medications and other medications used to treat depression. These combinations must be avoided. Symptoms of a reaction may include muscle rigidity and spasms, difficulty moving, changes in mental state including delirium and agitation. Coma and death are possible.

If you are taking any of these groups of medications, discuss with your doctor how Riva Mirtazapine may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Riva Mirtazapine, and whether any special monitoring is needed.

Stopping the medication: Stopping Riva Mirtazapine suddenly may cause side effects such as dizziness, agitation, confusion, headache, sweating and others. A gradual reduction in dose over a period of time is recommended. If you are thinking of stopping the medication, check with your doctor first.

Suicidal or agitated behaviour: Adults and children taking Riva Mirtazapine may feel agitated (restless, anxious, aggressive, emotional, and feeling not like themselves), or they may want to hurt themselves or others. These symptoms may occur within several weeks after starting Riva Mirtazapine. If you experience these side effects or notice them in a family member who is taking Riva Mirtazapine, contact your doctor immediately. Your doctor will monitor you closely for these side effects while you are taking Riva Mirtazapine.

Mirtazapine may cause symptoms of mania to worsen or to return. People with a history of manic symptoms or bipolar disorder should discuss with their doctor how Riva Mirtazapine may affect their medical condition, how their medical condition may affect the dosing and effectiveness of Riva Mirtazapine, and whether any special monitoring is needed.

Pregnancy: Riva Mirtazapine should not be used during pregnancy unless the benefits outweigh the risks. It has been reported that babies born to women who have taken mirtazapine during the last trimester of pregnancy may experience complications that result in an increase in the length of their hospital stay. If you become pregnant while taking Riva Mirtazapine, contact your doctor immediately.

Breast-feeding: It is not known if mirtazapine passes into breast milk. If you are a breast-feeding mother and are taking Riva Mirtazapine, it may affect your baby. Talk to your doctor about whether you should continue breast-feeding.

Children and adolescents: The safety and effectiveness of Riva Mirtazapine have not been established for children and adolescents under 18 years of age. There have been reports that the use of Riva Mirtazapine by children and adolescents younger than 18 years may cause behavioural and emotional changes, such as suicidal thoughts and behaviour. Children and adolescents who take Riva Mirtazapine should be closely monitored and encouraged to report all changes in feelings to their doctor and caregiver.

Seniors: Seniors often have decreased kidney or liver function. For this reason, they often have Riva Mirtazapine build up in the body and experience more side effects than younger people. A lower dose may be needed for older people.

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References

All material © 1996-2021 MediResource Inc. Terms and conditions of use. The contents herein are for informational purposes only. Always seek the advice of your physician or other qualified health providers with any questions you may have regarding a medical condition.

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