May cause localized irritation of the skin with symptoms including redness, rashes and itching. It may cause redness, swelling, itching, and blisters. It causes blindness, skin rashes, lesions, intense itching, and skin depigmentation. Both reactions result in itching, redness and swelling. Rarely, dizziness, skin rash, drowsiness, perianal itching, or an unpleasant taste occur. Sweating can trigger intense itching or cholinergic urticaria. Irritation and itching of the vulva is called pruritus vulvae. Such allergies are rare and typically limited to dermatological reactions of redness and itching. Nausea, vomiting, and severe itching may also occur. Skin involvement typically consists of intense itching, swelling, and inflammation. Skin contact may result in itching or eczema. Common side effects include constipation, nausea, sleepiness, dizziness, itching, dry mouth, and sweating. Common side effects include headache, nausea, easy bruising, itching, and heartburn. The symptoms are generally itching and skin lesions. Scabies-infected animals suffer severe itching and secondary skin infections.