There are some drug groups such as anticholinergics, and beta-blockers, that theoretically may help prevent the stimulation of sweat glands. They have been tried to help manage hyperhidrosis, but most reports find them not to be particularly helpful. They are also not recommended for long-term use, as they can have serious side effects, such as blurred vision, constipation, heart palpitations, urinary retention, impaired oral function (speech, taste, chewing, swallowing).