The active substances in the Upsarin C effervescent tablet are: Acetylsalicytic acid 330 mg; Ascorbic acid 200 mg. Upsarin C from Upsa is a medicine in the form of effervescent tablets containing acetylsalicylic acid, which is used to treat diseases accompanied by pain and/or increased body temperature, for example: headache, flu conditions, toothache, muscle pain, in adults and children weighing more than 30 kg (about 12 years). Available in a pack of 20 tablets.