“Unwanted side effects are hyper or hypopigmentation, swelling, or infection,” says Dr. Davin Lim, a Brisbane, Queensland dermatologist, in a RealSelf Q&A. “Expected side effects are redness, flaking, and dryness, and can be easily managed. You can manage these risks by doing the following: sun protection, prepping your skin before chemical peels, avoiding active ingredients one to two days before treatment, and consulting with an experienced cosmetic provider and following aftercare instructions.”
Common side effects are bruising and swelling. Rarely, there is “serum sickness,” which manifests as flu-like symptoms that subside in a few hours, says Mulholland. “A dreaded complication is that the Botox travels through fatty tissues to muscles it wasn’t intended to block — like a muscle of the eyelid, which leads to ptosis (droopy eye), or the muscles that move the eyeball, leading to double vision.” He says these happen to less than one per cent of patients and go away within two weeks. The Botox Cosmetic website states asthma symptoms and inability to swallow have also been reported.
Spread of toxin effects. The effect of botulinum toxin may affect areas away from the injection site and cause serious symptoms including: loss of strength and all-over muscle weakness, double vision, blurred vision and drooping eyelids, hoarseness or change or loss of voice, trouble saying words clearly, loss of bladder control, trouble breathing, and trouble swallowing.

During the pre-op assessment, you can expect your surgeon to conduct a close evaluation of your risk of thrombosis, or the formation of blood clots inside blood vessels. Blood clotting is a natural process that is essential in healing. For example, when you experience a minor cut on your skin, the scab that forms is a result of blood clotting. In most cases, blood clots dissolve on their own. However, when a blood clot inside a blood vessel fails to dissolve, it can obstruct proper blood flow to the lungs, brain, and other areas, which can cause serious health complications.
Deep chemical peels involve a longer procedure and longer recovery time that lasts up to several months in some cases. Patients who want to correct blotches caused by sun exposure or age, minimize coarse wrinkles, or remove a pre-cancerous growth may benefit from a deep peel. There are certain factors which must be taken into consideration when contemplating a deep chemical peel. Darker-skinned patients and individuals with heart problems are not ideal candidates. Potential chemical peel candidates should be aware that the treatment may take an hour or more, and may require sedation. Anyone who decides on this procedure should be prepared for a long, slow recovery period, and should wear sunscreen whenever exposed to sun.
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