Amrix Extended-Release Capsules are used for:
Treating muscle spasms caused by painful muscle conditions. It should be used along with rest and physical therapy. It may also be used for other conditions as determined by your doctor.
Amrix Extended-Release Capsules are a muscle relaxant. It works in parts of the brain and nervous system to help reduce muscle spasms.
Do NOT use Amrix Extended-Release Capsules if:
- you are allergic to any ingredient in Amrix Extended-Release Capsules
- you have an overactive thyroid, liver problems, or certain heart problems (eg, irregular heartbeat, congestive heart failure, heart block, conduction problems), or if you have recently had a heart attack
- you are taking or have taken a monoamine oxidase inhibitor (MAOI) (eg, phenelzine, rasagiline) within the last 14 days
Some MEDICINES MAY INTERACT with Amrix Extended-Release Capsules. Tell your health care provider if you are taking any other medicines, especially any of the following:
- MAOIs (eg, phenelzine, rasagiline) because serious, sometimes fatal reactions, including high fever and severe seizures, may occur
- Tramadol because the risk of seizures may be increased
- Droperidol or fluoxetine because severe heart problems, including irregular heartbeat, may occur
- Anticholinergics (eg, methscopolamine, benztropine), barbiturates (eg, phenobarbital), cimetidine, fluconazole, fluvoxamine, mibefradil, naproxen, or phenothiazines (eg, chlorpromazine) because they may increase the risk of Amrix Extended-Release Capsules's side effects
- Carbamazepine because it may decrease Amrix Extended-Release Capsules's effectiveness or increase the risk of Amrix Extended-Release Capsules's side effects
- Guanethidine or guanfacine because their effectiveness may be decreased by Amrix Extended-Release Capsules
- Sympathomimetics (eg, albuterol, epinephrine, phenylephrine) because their effectiveness may be decreased or the risk of their side effects may be increased by Amrix Extended-Release Capsules
How to use Amrix Extended-Release Capsules:
Use Amrix Extended-Release Capsules as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Take Amrix Extended-Release Capsules by mouth with or without food. If stomach upset occurs, take with food to reduce stomach irritation.
- Swallow Amrix Extended-Release Capsules whole. Do not break, crush, or chew before swallowing.
- Amrix Extended-Release Capsules works best if it is taken at the same time each day.
- Do not suddenly stop taking Amrix Extended-Release Capsules without checking with your doctor.
- If you miss a dose of Amrix Extended-Release Capsules, take it as soon as possible. If it is almost time for your next dose, skip the missed dose. Go back to your regular dosing schedule. Do not take 2 doses at once.
Important safety information:
- Amrix Extended-Release Capsules may cause drowsiness, dizziness, or blurred vision. These effects may be worse if you take it with alcohol or certain medicines. Use Amrix Extended-Release Capsules with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
- Talk with your doctor before you drink alcohol or use medicines that may cause drowsiness (eg, sleep aids, muscle relaxers) while you are using Amrix Extended-Release Capsules; it may add to their effects. Ask your pharmacist if you have questions about which medicines may cause drowsiness.
- Do NOT take more than the recommended dose or use for longer than 2 to 3 weeks without checking with your doctor.
- If your symptoms (eg, pain, tenderness, decreased range of motion) do not get better within 2 to 3 weeks or if they get worse, contact your doctor.
- Do not become overheated in hot weather or while you are being active; heatstroke may occur.
- If you experience dry mouth, use sugarless candy or gum, or melt bits of ice in your mouth. If dry mouth continues for more than 2 weeks, contact your dentist or doctor.
- Use of Amrix Extended-Release Capsules are not recommended in the ELDERLY; they may be more sensitive to its effects.
- Amrix Extended-Release Capsules has not been approved for use in CHILDREN; safety and effectiveness in children have not been confirmed.
- PREGNANCY and BREAST-FEEDING: If
you become pregnant, contact your doctor. You will need to discuss the
benefits and risks of using Amrix Extended-Release Capsules while you are
pregnant. It is not known if Amrix Extended-Release Capsules are found in
breast milk. If you are or will be breast-feeding while you use Amrix
Extended-Release Capsules, check with your doctor. Discuss any possible
risks to your baby.
Possible side effects of Amrix Extended-Release Capsules:
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Constipation; dizziness; drowsiness; dry mouth; fatigue; nausea; stomach pain or upset.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); chest pain; confusion; fainting; fast or irregular heartbeat; mental or mood changes; numbness of an arm or a leg; one-sided weakness; seizures; severe dizziness or vomiting; speech or vision problems; sudden severe stomach pain; trouble urinating; yellowing of the skin or eyes.