ANSWER:

No, this is not required at all! 

You just renew your wudu, without washing the private part, if you have to pray. 

My question to you Sheikh is… If one performs wudu and breaks wind, is it obligatory for him/her to wash the private area again before performing another wudu?

Ablution (Wudhu) | March 28, 2018 5:14 pm
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My aunt who is 65 old does not do wudoo. She just does tayammum by rubbing on clean walls where I cannot see dust. When asked to do wudoo, she says she is fearful of catching sneezing allergy (which she sometimes has). My fear is that if this is not a valid reason then her prayers would be invalid. How to make her understand?
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Can u do masa if you r in ur own home over ur socks or do u have to be travelling?