Chemicals are substances that are used in the chemical process or produced in a reaction that involves breaking down molecules and atoms. In simple terms, a chemical is a substance that has a proper composition. Also, a chemical is defined as a substance that cannot be kept from changing into another substance while breaking it down.

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Is it safe to give dog a flea bath while I am six weeks pregnant?

Query: Hi doctor, Yesterday, I gave my dog a flea bath using a shampoo containing pyrethrins and piperonyl butoxide. I am nervous about the effect this might have on my pregnancy. I washed my hands repeatedly after I realized this. Will it affect the brain development of my baby?  Read Full »

Dr. Sabita Laskar

Answer: Hello, Welcome to These chemicals have more effect when they are used early in pregnancy. Local application, just on the hands alone, will not cause any harm to your baby. Be assured and relax. Your baby is safe. But, do not repeat any more flea baths for your dog during pregnancy. G...  Read Full »

Will doing limbal epithelial surgery on my right eye pose any risk to my other eye?

Query: Hello doctor, I am a 27 year old male. One year ago, there was a chemical injury to my right eye caused by cement. An amnio graft surgery was done immediately following the injury. Recently, a slit lamp examination, post-dilated examination, and a fundus examination were conducted, and my right eye...  Read Full »

Dr. Priyanka

Answer: Hello, Welcome to I read your query and understood your concern. Chemical injury damages the cornea and the vision is also compromised. You had an amniotic membrane transplant in the past, which is a good procedure. Now, if you have been diagnosed with limbal stem cell deficiency and a s...  Read Full »

What is the risk of ethanol inhalation?

Query: Hello doctor, I want to know if there is a short-term health risk due to the inhalation of 70 % ethanol and isopropyl alcohol. I do not mean the hand wash, but the pure liquid, which I use for electronic repairing and cleaning. I almost always use an organic vapor mask or gas mask. If I work long...  Read Full »

Dr. Sugandh Garg

Answer: Hello, Welcome to An occasional brief exposure of not more than two minutes, as you mentioned, can be done without a mask. However, it is always recommended to use protection when dealing with poisonous gases, especially when you are working in that environment regularly. For more infor...  Read Full »

I got exposed to a small amount of ethidium bromide. Will I get cancer?

Query: Hi doctor, I just now had a 3 to 4 seconds exposure to UV radiation when using agarose gel electrophoresis. Also, yesterday when preparing to run DNA, a small amount of Ethidium bromide landed on my finger. I immediately washed it with water. What is the possibility that these may cause a skin mutat...  Read Full »

Dr. Salah Saad Hassan Shoman

Answer: Hi, Welcome to You did the right thing washing the exposed area of your skin. You should not worry as the exposure time is very short and exposure was only to a small amount of Ethidium bromide. I doubt you will have blisters or redness or itching. You have to be very careful while usin...  Read Full »

How to prevent graying of hair?

Query: Hello doctor, I am a 36-year-old female. I am looking for a treatment for turning my white hair to black. Are there any recommended hair darkening lotions or organic shampoo bars?  Read Full »

Dr. Dhepe Snehal Madhav

Answer: Hello, Welcome to Do you smoke? Are your serum iron or ferritin, or hemoglobin? Are you anemic? Do you have an autoimmune disorder, thyroid issues? What about your drug history? Do you use harsh chemicals loaded with chemicals? Do you use a hairdryer? What water do you use to take a ...  Read Full »

Why did I get tiny black dots on the body after gallbladder surgery?

Query: Hello doctor, Recently, I had acute pancreatitis, which resulted in gallbladder surgery. Two weeks post operation; I have noticed tiny black dots appearing on my body. Now it has spread, some are raised and some are flat. Should I be concerned? What are they? I have attached the picture of my stom...  Read Full »

Dr. Gaurang Gupta

Answer: Hello, Welcome to Your photos (attachment removed to protect patient identity) are a bit blurred and these are tiny small papules. Are they itchy? There are two to three possibilities. I will mention it one by one. First is drug reaction - As you had undergone surgery, you must be taki...  Read Full »

Is drinking nail polish remover dangerous?

Query: Hello doctor, I have a question about the side effects of ingesting a small amount of nail polish remover. Here is the scenario. My girlfriend used the nail polish remover on her hands to take off her polish. Immediately after that, we were making out. So, I kind of sucked her fingers and nails. I ...  Read Full »

Dr. Anshul Varshney

Answer: Hello, Welcome to This amount of ingestion of nail polish removal followed by rinsing is not going to cause any ill effects to you except, a change in taste for a few days and oral ulcerations maximum. I do not find any reason to worry. If you have any further queries please ask me. For...  Read Full »

What is the cause for hair loss and hair thinning?

Query: Hi doctor, I am working in an oil plant and suffering from hair thinning and hair loss for the past one month. I am extremely healthy with a clean diet and exercise (non-smoker and no alcohol). Is this due to desalinated water and heat? Is this permanent hair loss? What can I do to prevent further ...  Read Full »

Dr. Sugandh Garg

Answer: Hello, Welcome to Use coconut oil mixed with castor oil on your hair. Give a gentle massage. Use a filter or soft water to wash hair. Do not wash hair frequently. Use a mild shampoo. For more information consult an internal medicine physician online -->  Read Full »

My husband consumed Lizol. Can it cause serious problems?

Query: Hello doctor, My husband consumed one full cap of Lizol. Can it cause serious things? Should I go to the doctor immediately?  Read Full »

Dr. Philile Donna Hlengwa

Answer: Hello, Welcome to I am assuming that by Lizol you are referring to the disinfectant and floor cleaner. Yes, there are possible toxic complications if your husband does not seek medical care immediately. Please give him two glasses of water to drink and go to the emergency room immediat...  Read Full »

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