After applying erythromycin ointment may have the adverse reaction of tingling sensation, this is a normal phenomenon, the specific medication should follow the doctor’s instructions. Erythromycin ointment is a macrolide antibiotic, the antibiotic for most Gram-positive bacteria, some Gram-negative bacteria and mycoplasma, chlamydia, etc. have a role in the fight, clinically applicable to suppurative dermatosis, acne vulgaris, small burns, ulcers, the treatment of infection. It is contraindicated for those who are allergic to the product, and should not be used in combination with chloramphenicol and lincomycin. Adverse reactions may occur during the use of the drug, such as irritation (including tingling sensation) and allergic reactions, so the tingling sensation of the drug user is generally normal. The use of specific drugs should be carried out under the guidance of specialists, and should not be used without authorization.