Before taking clonazepam:
Let your doctor and pharmacist know if you are allergic to clonazepam, alprazolam (Xanax), chlordiazepoxide (Librium, Librax), clorazepate (Tranxene), diazepam (Valium), estazolam (ProSom), flurazepam (Dalmane), lorazepam (Ativan), oxazepam (Serax), prazepam (Centrax), temazepam (Restoril), triazolam (Halcion), or any other drugs.
Let your doctor and pharmacist know what prescription and nonprescription medications you are taking, especially antihistamines; cimetadine (Tagamet); digoxin (Lanoxin); disulfiram (Antabuse); fluoxetine (Prozac); isoniazide (INH, Laniazid, Nydrazid); ketoconazole (Nizoral); levodopa (Larodopa, Sinemet); medications for depression, seizures, pain, Parkinson's disease, asthma, colds, or allergies; metoprolol (Lopressor, Toprol XL), muscle relaxants; oral contraceptives; oral antifungals, phenytoin (Dilantin); probenecid (Benemid); propoxyphene (Darvon); propranolol (Inderal); rifampin (Rifadin); sedatives; sleeping pills; theophylline (Theo-Dur); tranquilizers; valproic acid (Depakene); and vitamins. These medications may add to the drowsiness caused by clonazepam.
Let your doctor know if you have or have ever had glaucoma; seizures; or lung, heart, or liver disease.
Let your doctor know if you are pregnant, plan to become pregnant, or are breast-feeding.
If you become pregnant while taking clonazepam, call your doctor immediately.
You should not nurse a baby while taking clonazepam.
Tell the doctor or dentist that you are taking clonazepam if you are going to have surgery, including dental surgery.
You should know that this drug may make you drowsy. Do not drive a car or operate machinery until you know how this drug affects you.
Remember that alcohol can add to the drowsiness caused by this drug. You should avoid drinking alcohol while taking clonazepam.
Tell your doctor if you use tobacco products.
