THEOPHYLLINE/EPHEDRINE/PHENOBARBITAL LONG ACTING-ORAL (cont.)
SIDE EFFECTS: Dizziness, drowsiness, headache, loss of appetite, nausea, stomach upset or dry mouth may occur the first several days as your body adjusts to the medication. If any of these effects continue or become bothersome, inform your doctor. To avoid dizziness and lightheadedness when rising from a seated or lying position, get up slowly. Notify your doctor if you develop: chest pain (angina), a rapid pulse, skin rash, difficulty urinating, flushing, tremors, nervousness, breathing trouble. If you notice other effects not listed above, contact your doctor or pharmacist.
PRECAUTIONS: Tell your doctor if you have: blood disorders, ulcers, heart disease, kidney disease, high blood pressure, an overactive thyroid, glaucoma, prostate trouble, depression, seizure disorders, a history of substance abuse, allergies (especially drug allergies). Use caution performing tasks requiring alertness if this medication causes you to feel drowsy. Avoid intake of alcoholic beverages while taking this medication since excessive sedation can occur. This medication is not recommended for use during pregnancy. Consult your doctor for details. This drug passes into breast milk and has had undesirable effects on nursing infants. Consult your doctor before breast-feeding.
DRUG INTERACTIONS: Tell your doctor of any over-the-counter or prescription medication you may take, including: antidepressants, sedatives, tranquilizers, sleeping pills, cimetidine, St John's wort, asthma drugs, erythromycin, narcotic pain medication (e.g., codeine). This drug may interfere with the effectiveness of birth control pills. Discuss using other methods of birth control with your doctor. Cigarette smoking affects the potency of this medication. It is important for your doctor to know if you smoke. Also notify your doctor if you start or stop smoking while taking this medication since a dose adjustment may be necessary. Avoid drinking caffeine-containing beverages (coffee, tea, colas) and eating large amounts of chocolate. Caffeine is similar to the active ingredient in this medication thus the risk of side effects may be increased. Do not start or stop any medicine without doctor or pharmacist approval.
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