How Long Does It Take For Dysport To Work

how long does dysport take to work

Dysport is an injectable neuromodulator used for temporary improvement in the appearance of moderate to severe frown lines between the eyebrows. It is similar to BOTOX and works by blocking nerve signals to muscles which reduces muscle activity that causes frown lines. When injected correctly, Dysport can start to work in as little as 24-72 hours with optimal results becoming noticeable after 4-7 days.

Onset of Action

The time it takes for Dysport to work depends on several factors such as the dose administered and individual response. After being injected into the muscle, Dysport binds to nerve endings and blocks the release of a neurotransmitter called acetylcholine. This reduces muscle contraction, allowing frown lines to soften and smooth. Most patients start to notice a visible smoothing of their frown lines within 2-3 days after treatment. The maximum effect typically occurs around 30 days post-injection.

how long does it take for dysport to work
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Duration of Effects

The effects of Dysport are temporary and results typically last 3-4 months. Repeated treatments are needed to maintain optimal results over time. Some factors that influence how long Dysport lasts include:

– The size and number of muscles treated – Treating more muscles means using more units of Dysport which may lead to longer-lasting results.

– Metabolism – Those with faster metabolism tend to metabolize Dysport more quickly.

– Injection technique – Precise injection into the target muscles maximizes results and duration.

– Facial expressions – Frequent frowning or squinting can decrease duration.

Treatment Sessions

Most patients need 2-3 initial treatment sessions spaced 2-3 months apart to achieve optimal smoothing. After the initial treatments, maintenance sessions are required every 3-4 months to maintain the desired effect. Some practices offer loyalty programs which reward returning patients with special offers. Many patients learn when they need to come back in for repeat treatments based on when they notice their frown lines starting to return.

how long does it take for dysport to work on forehead
Photo: istockphoto

Pre and Post Treatment Care

No special preparation is required prior to Dysport treatment but it is recommended to avoid blood thinning medications like aspirin and ibuprofen for 1 week before and after injection to minimize bruising. Patients are advised to keep their head elevated and avoid massaging or rubbing the treated area for 4 hours post-treatment. Staying well hydrated helps the toxin settle into the muscles. Results become visible 72 hours after injection so strenuous exercise involving treated muscles should be avoided during that time.

How many units of Dysport are needed for frown lines?

Most patients need 20-30 units of Dysport split between 2-4 injection points in each side of the frown muscle. The required dosage can vary based on the severity of lines and muscle mass. Your injector will determine the appropriate dose for optimal results.

Are the side effects of Dysport serious?

The most common side effects are temporary redness, swelling, headache, and bruising at the injection site. Serious side effects are very rare when performed by an experienced injector.

Is Dysport safe to use long term?

Yes, Dysport is considered very safe for long-term use based on years of clinical studies. Repeated treatments do not lead to cumulative toxicity or increased risk of side effects. However, allowing proper intervals between sessions gives the best outcomes.

How does Dysport compare to BOTOX?

Dysport and BOTOX are both FDA-approved injectable neurotoxins containing botulinum toxin type A. While similar, Dysport tends to spread easier than BOTOX so your injector may need to use more units to treat the same area. Results take effect faster with Dysport but do not last quite as long as BOTOX for most patients.

In summary, Dysport delivers noticeable results within 2-3 days that continue to improve over 1-2 weeks. While onset of action is faster, the effects typically last 3-4 months on average before repeat treatments are needed. By following your injector’s customized treatment and maintenance schedule, Dysport can smooth away frown lines for a more youthful and relaxed appearance long term.


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