ANSWER:

This is not permissible. 

You must take the ghusl and start praying as soon as you experience purity. If water would harm you, you can skip washing the affected area and wash everything else and then make tayammum for the skipped parts. 

You can use medically safe creams or consult a gynecologist for your issue. 

 

Sometimes when my period is over I have severe rashes even its difficult to walk. In this above situation can we delay obligatory bath for one day or its a sinful act

Menstruation and post-natal bleeding | June 1, 2020 3:15 am
Previous

Sheikh, my periods over in 15 days and then again my period start after 11 days and over in 12 days is it my second period?
Next

I’ve read that if a woman is sure that her menstruation is over before sunrise, and she intends to fast, her fast will be valid even if she delays ghusl until morning. But what if she isn’t able to do ghusl even in the morning or throughout the day because of an illness e.g. high fever? Is her fast valid? What about the prayers throughout the day?