Placing a patch on the arm which helps the smoker give up smoking

Question: I want to stop smoking and I ask Allaah to help me achieve this goal. My question is:

There is a patch placed on the arm which helps the smoker to get over the difficulty of stopping smoking. Is it allowed to use this patch during Ramadaan, taking into consideration that this patch automatically produces the nicotine substance whenever the body needs it? Please provide me with the answer, may Allaah reward you well.

Answer: We ask Allaah to guide you to repent from the habit of smoking and to help you stop, since it is extremely harmful and has no good at all. As for your question with regard to the permissibility of using a patch which is stuck to the arm and helps you stop smoking, and whether is it permissible for you to use it during Ramadaan while you are fasting or not, our answer is that it is not permissible for you to use that patch, since we have asked the specialists about this patch and they said that it provides the body with nicotine that reaches the blood... read more here.

Does smoking invalidate Wudoo’?

Question 103What is the Islaamic ruling on those who smoke cigarettes and when they come to the Masjid (mosque) they merely rinse their mouths with little water without performing Wudoo’ (ablution) again, under the pretext that they had already performed Wudoo’ before smoking. We know that cigarettes are of the foul things which invalidate Wudoo’, but we do not have enough evidence on this.

Answer: All praise be to Allaah Alone, and peace and blessings be upon His Messenger, and his family and Companions! Smoking is Haraam (prohibited). Those who afflict themselves with the evil habit of smoking should cleanse their mouths when going to the Masjid to remove the foul odor, so that others will not be harmed or offended. However, smoking does not invalidate Wudoo’... read more here.