Warnings: Do not use: with any other product containing diphenhydramine, even one used on the skin. When using this product: mild sedation may occur. Overdose Warning: Overdose may cause depression, excitability, respiratory depression or death. In case of overdose, contact veterinarian/doctor or emergency room. Other warnings: An examination from a veterinarian is recommended prior to using this product. For use only with dogs. Not for use in cats. Not for human consumption. Ask a veterinarian before use if your pet has: glaucoma; asthma; heart disease; hypertension; urinary bladder obstruction; enlarged prostate gland; hyperthyroidism. Ask a veterinarian before use if your pet is taking sedatives, tranquilizers or any other medicines. If your pet is pregnant or nursing, seek the advice of a veterinarian before using this product. Keep out of reach of children and pets. Tamper Evident: Do not use if imprinted safety seal under cap is broken or missing.