First-hand Smoke

First-hand smoke is the smoke inhaled by the tobacco smoker itself. It causes adverse health effects. It consists of harmful chemicals and carcinogens like nicotine, benzene, hydrogen cyanide, arsenic, lead, ammonia, etc. These have deleterious health effects. It affects nearly every organ and reduces the lifespan of an individual. Tobacco smoke can cause lung cancer, oropharyngeal cancer, heart attack, and stroke. Apart from lung cancer, it causes various lung diseases like chronic obstructive pulmonary disease, emphysema, bronchitis, asthma, etc. In addition, this smoke is known to cause premature births and infertility issues.

Recently Answered Questions Recently Answered Questions

All the answers published in this website are written by Verified medical doctors, therapists and health experts. The Content has been moderated by iCliniq medical review team before publication. Post your medical clarifications on iCliniq by choosing the right specialty and get them answered. Your medical queries will be answered 24/7 by top doctors from iCliniq.

Why is there clubbing in a chronic smoker?

Query: Hello doctor, I am 27 years old, female. 130 lbs. Have a history of smoking slightly less than one pack a day for 10 years. Quit a month ago. I am concerned about finger clubbing. I have noticed a new curvature in my nail over the last few months that was not present before. It is mostly in my inde...  Read Full »


Dr. Muhammad Zohaib Siddiq

Answer: Hi, Welcome to icliniq.com. This is mild clubbing and it is normal in young females. It is due to estrogen hormone in females. Please keep yourself miles apart from tobacco and alcohol. To be on the safe side, have a chest X-ray done and send me here to look for any pulmonary cause, as you have 10...  Read Full »

Will the toxins from cigarettes be passed on to partners during sex?

Query: Hi doctor, I am really concerned to let a 50 year old guy who smokes cigarettes and marijuana, and drinks every day be sexually intimate with me. He touches me, pokes me with his hands and fingers, puts his tongue in my mouth, ejaculates over me on my skin, etc. If he does all these to me, could h...  Read Full »


Dr. Settipalli Saravan Pramod

Answer: Hello, Welcome to icliniq.com. I read your query and understand your concern.  Cigarette smoke contains over 4,000 chemicals, including nicotine, tar, and carbon monoxide, as well as formaldehyde, ammonia, hydrogen cyanide, arsenic, and DDT. There is a chance of transmission of these toxins to you ...  Read Full »

Why does the throat hurt from smoking cigarettes?

Query: Hello doctor, Why does my throat hurt after smoking cigarettes for the first time?  Read Full »


Dr. Vinay. S. Bhat

Answer: Hello, Welcome to iclinic.com. Since your throat is not used to the smoke, which contains a large number of chemicals, it got injured and started to pain. Chronic smokers will not experience pain due to a permanent change in the cells of the throat, which resist smoke-induced injury. Your throat wil...  Read Full »

What does third-hand smoking mean?

Query: Hi doctor, My question is about third-hand smoke. My husband and I do smoke and we are trying to quit. My daughter-in-law is so concerned about third-hand smoke. We are no longer allowed to see our grandchildren until we have completely quit smoking. We only smoke outside and are down to five cigare...  Read Full »


Dr. Geetha Priyadarsini Kamminana

Answer: Hello, Welcome to icliniq.com. Third-hand smoke is a newly postulated concept of toxic compounds being formed due to a reaction between nicotine and environmental components forming nitrosamines which are considered as potential carcinogens. To be crisp and specific first hand is smoker, second ha...  Read Full »

I am a chronic smoker. Kindly explain my chest CT scan.

Query: Hi doctor, I am a smoker for 29 years, about half-pack a day. I just went through a chest CT scan yesterday. Can you help me to review the Dicom image files to see if everything is fine?  Read Full »


Dr. Vivek Chail

Answer: Hi, Welcome to icliniq.com. Review of given CT chest scan images (attachment removed to protect patient identity): There is no obvious focal lesion in the lungs. There is mild hyperinflated lungs with concerns for early changes due to emphysema. This is not a serious problem. However, you might li...  Read Full »

How can I quit smoking without using medicine or nicotine gums?

Query: Hello doctor, I want to quit smoking. Everyday something happens which makes me smoke another stick. I am sick of smoking but nothing is helping me out. I have already tried meditation to do some exercise and all but in the end, I cannot control and again I start smoking. I am not willing to have a...  Read Full »


Dr. Aneel Kumar

Answer: Hi, Welcome to icliniq.com. See smoking comes under the addiction to nicotine. Addiction has multifactorial etiology, for example, peer pressure, family history, personality factor, maladaptive way to deal with stressors, underlying anxiety, and depression. As far as treatment is concerned which i...  Read Full »

My ECG shows low voltage with QRS 86 mm. Please help.

Query: Hi doctor, My ECG shows low voltage with QRS 86 mm. I am physically fit and active with no such issue a year ago. What could be the cause and solution?  Read Full »


Dr. Sagar Ramesh Makode

Answer: Hello, Welcome to icliniq.com. Could you upload your ECG picture? It must be 86 msec, I guess. Low voltage ECG may be seen as a normal variant, also seen in obese individuals, smoker or patients with heart disease like fluid around the heart or in lung disease. But, if you do not have any symptoms...  Read Full »

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