Use an antiperspirant, not just a deodorant
Apply antiperspirant at night before bed
Reapply in the morning if needed
Keep underarms clean and dry
Shave or trim underarm hair
Wear loose, breathable fabrics
Choose moisture-wicking clothing
Avoid spicy foods and caffeine if they trigger sweating
Manage stress and anxiety
Use underarm sweat pads or dress shields
Try clinical-strength antiperspirants
Ask a doctor about prescription antiperspirants
Ask a doctor about iontophoresis
Ask a doctor about botulinum toxin injections
Ask a doctor about oral medications
Ask a doctor about microwave or laser treatments
Ask a doctor about surgery for severe cases