Doctor insights on:
How Long Does Sunscreen Last Once Applied
At most 2 hours: Although the spf rating of a sunscreen tells you how effective it is during use, it is important to reapply frequently and in adequate amount. Sunscreen should be reapplied every 2 hours to maintain efficacy, as factors such as sweating, water exposure, and physical removal can decrease its effect and lead to burns and skin cancer risk. ...Read moreSee 1 more doctor answer
For Life: The virus responsible for chicken pox lives in the nerves and lead to more than episode of shingles later in life. Once the sores scab over the symptoms tend to diminish within a few days. The more aggressively the the symptoms are treated the less likely long term problems are to occur. If you've not been seen by your pcp i would suggest doing so. ...Read moreSee 2 more doctor answers
How long does it take for vaginal estrogen cream to be absorbed? (eg how long after applying it can I use the bathroom?)
4-6 hours: General recommendations is to apply the cream at bedtime - it will be absorbed by morning. ...Read more
How long does a rabies booster last for protection? And how long does a post exposure last cause I've heard it doesn't last as long as a pre exposure
1-5 years : Boosters vary in efficacy by type, the most effective can last 3-5 years, but most need to be boosted yearly. Check with ...Read more
How long does it take for oxycontin to get eliminated of my system after my last dose? How long does the withdrawal last ?
Varies: Some depends on how long and how much you used it. More too on specifics about you. Ask the Dr who prescribed for help and don't give in. You're doing the right thing and can be proud. This is what matters as you go through the process. Best wishes! ...Read more
Does anti-fungal shampoo work for vitiligo? And how long does it usually take to clear up if applied once a day?
Cause ?: It depends on what is burning and what caused it. Without knowing that, it is impossible to know how long it will last. ...Read more
How does tanning lotion work and how long do its effects last and do they last even after you get wet?
A few days: It stains the skin temporarily, a few days. Its perfectly safe. Lasts longer if you don't swim or bathe. ...Read more
Depends: Even if all the scabies mites are killed by the premethrin, itching can persist for several weeks. Persistent itching, especially if there are big bumps, sort of like mosquito bites, can be treated with a topical cortisone (steroid) cream. Usually premethrin is applied twice, about a week between applications. It has to be done right, clothes and bedding washed, contacts treated too. ...Read more
Depends: Pubic lice (phthirus pubis) can be treated with otc product like nix (permethrin) or rid. Other options are prescription medications like Malathion (kept on affected area for 8 to 12 hours); invermectin (2 pills – may need to repeated in 10 days); lindane (if you have failed other treatments). ...Read more
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