The Web Health



Generic name: cyclobenzaprine [sye-kloe-BEN-za-preen]
The brand names: are Amrix and Fexmid.
Drug class: skeletal muscle relaxants

What is Amrix?

Amrix It is an anti-muscle relaxant. It is a drug that blocks nerve impulses (or sensations of pain) that go to the brain.Amrix is used in conjunction with physical therapy and rest to reduce muscle spasms due to painful conditions like an injury.Amrix is also employed for other purposes that are not covered in this guideline.

Side effects of Amrix

See a doctor immediately. Get medical attention immediately if you notice symptoms or warning signs of an allergic response, such as hives, difficulty breathing, or swelling of your lips, face, or tongue.

Amrix may cause serious side effects. Stop taking Amrix and contact your physician immediately if you experience:

  • Irregular or fast heartbeats;
  • Chest pain or pressure, or pain radiating into your shoulder or jaw;
  • The sensation of numbness or weakness suddenly occurring (especially in one part of your body) or slurred speech problems with balance.

Get medical attention immediately if you are experiencing signs that suggest serotonin syndrome, for example, hallucinations, agitation, sweating, chills, shivering, rapid heart rate, muscle stiffness, twitching, nausea, vomiting, or diarrhoea.The risk of serious side effects is more frequent in older adults.

Common adverse effects of amrix can include:

  • Drowsiness, tiredness;
  • Headache, dizziness;
  • Dry mouth
  • Upset stomach, nausea, constipation

This list does not constitute an exhaustive account of side effects associated with any medication prescribed. Other side effects could occur. Contact your doctor for advice regarding medical effects. You can report symptoms to the FDA at 1-800-FDA-1088.


It is not recommended to take Amrix in the event that you suffer from a thyroid condition, a heart block, constricted heart disease, an irregular heartbeat, or if you recently suffered a cardiac attack.Do not take Amrix in the event that you've used an MAO inhibitor in the last 14 days, like isocarboxazid, linezolid, rasagiline, selegiline, or tranylcypromine.

Before you take this drug

Do not take Amrix if you are allergic to it or are suffering from

  • A thyroid disorder
  • Heart block, heart rhythm disorder, congestive heart failure,
  • If you've had an attack on your heart,

Amrix is not a product that has been approved to be used by anyone younger than 15 years of age.Don't use Amrix if you've used an MAO inhibitor within the last 14 days. A risky drug interaction may occur. MAO inhibitors are isocarboxazid linezolid, phenelzine, rasagiline, selegiline, and tranylcypromine.Certain medicines may interfere with Amrix and trigger a severe disorder known as serotonin syndrome. Make sure to inform your doctor that you also take medication that is stimulant, opioid, herbal products, or medicines to treat depression, mental illness, Parkinson's disease, migraine headaches, grave infections, and for the prevention of vomiting and nausea. Talk to your doctor prior to making any changes in the way or how often you take your medication.

Inform your physician immediately if you have ever suffered from:

  • Liver disease;
  • Glaucoma;
  • Prostate enlarged
  • Urination problems.

It is not clear if Amrix could cause harm to a baby who is not yet born. Inform your doctor if you are expecting or planning to be pregnant.Inform your physician immediately if you have ever suffered from. Consult your physician regarding any risks.Adults who are older may be more sensitive to the effects of this medication.

How to take Amrix?

Follow all the instructions on the prescription label and study all medication guides or instructions sheets. Your doctor may change the dosage. Make sure you take the medicine exactly as prescribed.Amrix is generally taken once every two or three weeks. Follow the instructions of your physician for dosage with care.Take and swallow the capsule intact, and don't crush or chew on it, break it, or break it open.Use the medicine every day.Contact your physician if your symptoms don't improve after three weeks or if your symptoms get worse.Keep at room temperature, free of heat, moisture, and light.

What happens if I miss the dose?

Do not take the medicine for as long as you can. However, avoid any missed doses if it's nearing the time to take the next dose. Don't take two doses at a time.

What happens if I overdose?

For medical emergencies, seek emergency treatment or contact the Poison Help Line at 1-800-222-1222. A fatal overdose of Amrix could be fatal.Overdose symptoms can include severe nausea, drowsiness, rapid heartbeats, tremors, or hallucinations.

What should be avoided?

Avoid driving or engaging in hazardous activities until you understand the way Amrix can impact you. The way you react could be impaired.

Do not drink alcohol. Dangerous side effects may be experienced.

Interaction with other drugs

Utilising Amrix along with other medicines that cause drowsiness can make this worse. Consult your physician before taking opioids, a sleeping pill, a muscle relaxer, or medication for an anxiety disorder or seizures.




Prescription only

Pregnancy & Lactation

CSA Schedule*
Related Drugs
Related Stories