Call emergency services now if tongue swelling is sudden, severe, or causing trouble breathing, swallowing, speaking, or drooling
Use an epinephrine auto-injector immediately if you have one and suspect an allergic reaction
Remove any possible trigger, such as food, medication, dental appliance, or oral product
Rinse your mouth with cool water
Suck on ice chips or hold a cold compress under the chin
Sit upright and keep your head elevated
Avoid eating or drinking if swallowing is difficult
Take an antihistamine only if you know it is safe for you and the swelling is likely from an allergy
Seek urgent medical care if swelling is worsening, painful, or not improving quickly
Get immediate medical help if you have fever, pus, severe pain, or a tongue injury
See a dentist or doctor promptly if swelling may be from a tooth, mouth infection, or dental problem
Avoid alcohol, smoking, spicy foods, and very hot foods until it improves
Do not take any medication that previously caused swelling or an allergic reaction
Follow up with a healthcare professional to find and treat the cause