Benadryl is used for preventing or treating symptoms of hay fever and other upper respiratory allergies or the common cold, such as the runny nose, sneezing, itching of the nose and throat, and itchy, watery eyes, and relieving cough.

Stop taking Benadryl and seek emergency medical attention if you experience an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives).

• sleepiness, fatigue, or dizziness;

• headache;

• dry mouth; 

• or difficulty urinating or an enlarged prostate.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

marked drowsiness may occur avoid alcoholic drinks alcohol, sedatives, and tranquillizers may increase drowsiness excitability may occur, especially in children be careful when driving a motor vehicle or operating machinery 

Do NOT use more than directed. Adults and children 12 years of age and over - 25 mg to 50 mg (1 to 2 capsules). 

Children 6 to under 12 years of age - 12.5 mg ** to 25 mg (1 capsule).Children under 6 years of age - consult a doctor. 

Store Benadryl at room temperature between 68 and 77 degrees F (20 and 25 degrees C) in a tightly-closed container. Brief periods at temperatures of 59 to 86 degrees F (15 to 30 degrees C) are permitted. Store away from heat, moisture, and light. Do not store in the bathroom. Keep Benadryl out of the reach of children and away from pets.