Hydroxypropyl methylcellulose (HPMC) is a non-ionic cellulose ether that is used as a thickening, suspending, emulsifying, and binding agent in a variety of products. It is commonly used in pharmaceuticals, food, cosmetics, and other industries. HPMC is generally regarded as safe, but there are some potential side effects associated with its use.
The most common side effect of HPMC is an allergic reaction. Symptoms of an allergic reaction can include itching, hives, swelling, and difficulty breathing. If you experience any of these symptoms after using a product containing HPMC, you should discontinue use and consult your doctor.
In addition to allergic reactions, HPMC can also cause digestive issues. It can cause nausea, vomiting, abdominal pain, and diarrhea. If you experience any of these symptoms after using a product containing HPMC, you should discontinue use and consult your doctor.
HPMC can also cause skin irritation. This can manifest as redness, itching, burning, or a rash. If you experience any of these symptoms after using a product containing HPMC, you should discontinue use and consult your doctor.
In rare cases, HPMC can also cause anaphylaxis, a severe and potentially life-threatening allergic reaction. Symptoms of anaphylaxis can include swelling of the face, throat, and tongue, difficulty breathing, and a drop in blood pressure. If you experience any of these symptoms after using a product containing HPMC, you should seek immediate medical attention.
Overall, HPMC is generally safe and well tolerated. However, it is important to be aware of the potential side effects associated with its use. If you experience any of the symptoms listed above after using a product containing HPMC, you should discontinue use and consult your doctor.