ACTION AND DESCRIPTIONRelief from muscle and/or joint pain associated with: fatigue, muscle tension, overexertion, strains, sprains, and arthritis. Provides up to 8 hours of constant heat while worn and an additional 8 hours of pain relief once the patch is removed. CE Marked. ON: 1639. Class IIa, non-sterile. INSTRUCTIONS FOR USEOpen the protective pouch only if you are going to apply the product. It may take up to 30 minutes to reach the desired therapeutic temperature. Place the patch on the area to be treated with the darker side of the heat cells facing the skin and adjust the patch at the front. If you are 55 years of age or older, use the product over a layer of clothing and do not use it directly on the skin. PRECAUTIONS AND WARNINGS Each heat cell contains iron (approximately 2 grams). If iron is swallowed, consult your doctor immediately. If iron comes into contact with the skin or eyes, remove the patch, rinse the affected area with water and consult your doctor immediately. Never microwave the product or attempt to reheat it by any other means, as the patch may catch fire. Heat-emitting products can cause burns. Check your skin periodically during use. If you notice any signs of irritation or burning, remove the product immediately. If the patch feels too hot, stop using it or remove it from direct contact with your skin by placing it over a layer of clothing. The risk of burns increases with age. If you are 55 years of age or older, do not use while sleeping. To avoid the risk of burns, remove the product before undergoing an MRI scan. Do not use for more than 8 hours in any 24-hour period. Consult your doctor / pharmacist before using this product if you have diabetes, heart or circulatory problems, rheumatoid arthritis, or are pregnant. Discontinue use and consult your doctor: - If you notice discomfort, burning, swelling, rash, or other persistent skin changes in the area where this product is applied. - If after 7 days of use the pain persists or worsens. Do not use: - If you notice heat cells that have leaked and/or the patch is damaged or torn. - With creams or ointments painkillers, other patches or additional heat sources.- On broken or wounded skin.- On areas where a bruise or swelling has appeared in the last 48 hours.- On body areas where heat is not felt.- On people who are unable to follow all the instructions for use.- On people who are unable to remove the product themselves, including children, infants and some elderly people. Do not use on the face, head, chest, inner arm or armpit, fingers, lower abdomen, groin, back of the knee, feet and toes. Keep out of reach of children and pets. The patches are for single use only.