Are there side effects to laser therapy?

July 17, 2026

Are There Side Effects to Laser Therapy?

Laser therapy is a safe, non-invasive treatment option for many conditions. It utilizes photobiomodulation to reduce pain, boost circulation in the affected area and accelerate cellular healing. Laser therapy typically causes only mild side effects that last only a short time. Some individuals may experience slight swelling or soreness for a few hours after treatment, but this usually goes away within a week.

Soreness

Laser therapy is an ideal treatment for many injuries and health conditions. It’s safe, and it can offer immediate pain relief. Some patients may experience mild soreness after treatment, which usually lasts a few hours and dissipates within one to seven days. Swelling can occur after facial laser resurfacing, though it usually subsides quickly. You may also feel itching and stinging around the treated area. If you have any queries regarding laser therapy’s side effects, please do not hesitate to get in touch. Our professionals would love to share their knowledge of this amazing form of treatment!

Swelling

Laser therapy has long been known to reduce swelling and inflammation by increasing blood flow. Furthermore, it encourages nerve regeneration, muscle relaxation, as well as your immune system’s response to injury. Laser light penetrates your cells and is absorbed by enzymes, increasing ATP levels and stimulating DNA production – giving your body the energy it needs to heal itself. Swelling can be reduced by elevating your head with an extra pillow at night, applying an ice pack on the treated area, and not smoking. Effects typically last up to two weeks but fade with time. After receiving treatment, it’s essential to avoid excessive exposure to the sun. The UV rays from the sun can cause serious damage to your skin, including dark spots and wrinkles.

Discomfort

Laser therapy is an effective tool to promote healing. It has been scientifically and safely demonstrated to be successful in treating various conditions. Patients often feel a pleasant warmth from the laser during treatment, which can be both relaxing and comfortable. This sensation is indicative of how quickly your body is beginning to process light energy. The body will respond to light by speeding up its natural healing process. This is especially beneficial for tendons, ligaments and nerves with limited blood flow. Some patients may experience some mild discomfort after receiving laser therapy. This is usually a reaction to the light and can last anywhere from 6-24 hours after exposure, though it usually subsides within a few days.

Bruising

Bruising is a common reaction to damage to capillaries, or small blood vessels near the skin’s surface. When these capillaries become compromised, blood can seep into surrounding tissue. After treatment, the blood is broken down and absorbed back into your body – this process taking several weeks. Fortunately, laser treatment can help minimize bruising that you may experience after these treatments. Recent research revealed that low-intensity short pulse Nd:YAG 1,064 nm laser treatments could speed up bruise resolution without any adverse effects. This finding may be of particular benefit to patients seeking quick downtime after injectable filler treatments such as hyaluronic acid-based dermal fillers.

Pain

Laser therapy is a safe and non-invasive solution that offers long-lasting relief from pain, from minor injuries to chronic conditions. It has the potential to reduce discomfort, speed up healing processes and promote overall well-being with minimal side effects. Laser light activates cellular processes throughout your body, leading to healing responses such as activating beneficial enzymes, stimulating mitochondria, increasing blood flow and lymphatic drainage, and decreasing inflammation and scar tissue. Typically, mild discomfort is felt during a laser light treatment session due to the inflammatory response caused by the laser light. This sensation lasts anywhere from 6-24 hours after treatment and usually dissipates over the following day or two. To learn more about our services, visit our home page.

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