You should not use this medicine if you have ever had an allergic reaction to diphenhydramine or any other antihistamines. This medicine should not be given to newborn infants or women who are breastfeeding.
Your doctor will tell you how much medicine to take and how often.
You may take your medicine with food to avoid stomach upset.
Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.
The chewable tablet must be chewed completely before you swallow it.
If a dose is missed:
Take your medicine as soon as you remember that you have missed your dose.
If it is almost time for your next dose, wait until then to take the medicine and skip the missed dose.
Do not take two doses at one time.
Storage:
Keep your medicine at room temperature in a tightly closed container, away from heat, direct light, and moisture. Do not freeze the oral liquid.
Keep all medicine out of the reach of children.
Special precautions:
Before taking, tell your doctor and pharmacist if you are allergic to any medications. tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking. tell your doctor if you have or have ever had heart failure or liver disease. tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking, call your doctor
Avoid taking this medicine with other antihistamines or with monoamine oxidase inhibitor (MAOI) medicines such as Marplan®, Nardil®, or Parnate®.
Avoid drinking alcohol while taking this medicine.
Avoid taking sleeping pills, tranquilizers, sedatives, narcotic-type pain killers, or antidepressants while you are taking diphenhydramine.
Warnings:
Talk to your doctor before taking this medicine if you are pregnant or breastfeeding, or if you have glaucoma, an enlarged prostate, or trouble urinating.
Diphenhydramine may make you drowsy or dizzy. Be careful when driving or operating machinery.
Side Effects:
Tell your doctor if any of these symptoms are severe or do not go away:
Trouble breathing or shortness of breath
Hallucinations or nightmares
Severe drowsiness
Severe skin rash, itching, or hives
Pain when urinating or change in how much or how often you urinate
