During the therapy, blue spots may appear on your body. The time for them to disappear varies by individual, but usually it takes 3-14 days.
Resting is recommended after having the massage: don't go right outside in the cold and windy weather, but let your body cool down. Drink more water, preferably warm water or tea, to help any residue leave your body faster. Don't drink alcohol.
The cup massage must not be performed while suffering from severe illnesses: either heart conditions (rhythm disorders, heart pacemakers) or other serious conditions. The cup massage must not be performed if the treatable area has a severe inflammation, psoriasis, varixes, large birth marks, also during pregnancy and breastfeeding and after a surgery. If you're not sure, consult with your doctor.