If you are using Halobetasol with consultation from your doctor, then you should keep the fact in mind that he has weighed the pros and cons of the medicine before prescribing them to you. There are a few side effects of using Halobetasol. You need to look out for the following and get medical assistance if they worsen: Burning, Stinging, Itching, Dryness or redness of the skin, Stretch marks, Skin thinning/discoloration, Acne, Excessive hair growth, Folliculitis It is rare to develop an allergic reaction to halobetasol. However, if such a situation arises, get medical assistance immediately. If you notice anything other than the above-listed side effects, you should contact your physician.