home > drugs a-z list > flexeril (cyclobenzaprine hcl) drug center > flexeril (cyclobenzaprine hcl) drug - consumer missed dose

Avoid taking MAO inhibitors (e.g., furazolidone, isocarboxazid, linezolid, moclobemide, phenelzine, procarbazine, rasagiline, selegiline, tranylcypromine) within 2 weeks before starting or after stopping treatment with this medication. In some cases, a serious, possibly fatal, drug interaction may occur.

Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: certain types of asthma drugs (e.g., albuterol, salmeterol), cimetidine, clonidine, guanethidine, guanadrel, SSRI antidepressants (e.g., fluoxetine, citalopram), stimulants and weight loss products (e.g., ephedrine, dextroamphetamine, phenylephrine), tramadol, tricyclic antidepressants (e.g., amitriptyline, imipramine).

Tell your doctor or pharmacist if you also take drugs that cause drowsiness such as: anti-anxiety drugs (e.g., diazepam), antihistamines that cause drowsiness (e.g., diphenhydramine), anti-seizure drugs (e.g., carbamazepine), medicine for sleep (e.g., sedatives), narcotic pain relievers (e.g., codeine), psychiatric medicines (e.g., phenothiazines such as chlorpromazine), tranquilizers.

Check all prescription and nonprescription medicine labels (e.g., cough-and-cold products, diet aids, acid reducers) because they may contain ingredients which could increase the risk of side effects with cyclobenzaprine. Ask your pharmacist about the safe use of those products.

This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.

OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly. Symptoms of overdose may include severe drowsiness, fast heartbeat, slurred speech, hallucinations, chest pain, seizures, increased muscle stiffness with fever and sweating,

NOTES: Do not share this medication with others.

MISSED DOSE: If you miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.

STORAGE: Store the US product at room temperature (77 degrees F or 25 degrees C) away from light and moisture. Brief storage between 59-86 degrees F (15-30 degrees C) is permitted. Do not store in the bathroom.

Store the Canadian product at room temperature between 59-86 degrees F (15-30 degrees C) away from light and moisture. Do not store in the bathroom.

Keep all medicines away from children and pets.

Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.

Information last revised May 2010 Copyright(c) 2010 First DataBank, Inc.