Muhammad is reported to have given the following medicinal advice:
Sahih Bukhari Volume 7, Book 71, Number 663:
Narrated Saud:
The Prophet said, "
If somebody takes some 'Ajwa dates every morning, he will not be effected by poison or magic on that day till night." (Another narrator said seven dates).
Sahih Bukhari Volume 7, Book 71, Number 664:
Narrated Saud:
I heard Allah's Apostle saying, "
If Somebody takes seven 'Ajwa dates in the morning, neither magic nor poison will hurt him that day"
Sahih Bukhari Volume 7, Book 71, Number 671:
Narrated Sad:
I heard Allah's Apostle saying, "
Whoever takes seven 'Ajwa dates in the morning will not be effected by magic or poison on that day"
http://www.usc.edu/schools/college/crcc/engagement/resources/texts/muslim/hadith/bukhari/071.sbt.html#007.071.671
Narrated AbuHurayrah
Allah's Messenger (peace be upon him) said, "
The ajwah dates come from Paradise and contain a cure for poison; truffles are a kind of manna and their juice is a medicine for the eye."
Tirmidhi transmitted it. (Tirmidhi Hadith, Number 1127; Alim CD-Rom Version)
Narrated AbuHurayrah
When some of the companions of Allah's Messenger (peace be upon him) remarked to him that truffles were the smallpox of the earth, he replied, "Truffles are a kind of manna, and their juice is a remedy for the evil eye.
The ajwah dates come from Paradise, and they are a remedy for poison." AbuHurayrah said that he took three, five, or seven truffles, pressed them, put their juice in a bottle and applied it as an eye-lotion to a slave-girl of his who was bleary-eyed, and she recovered.
Tirmidhi transmitted it, saying this is a hasan tradition. (Tirmidhi Hadith, Number 1194; Alim CD-Rom Version)
--------------------------------------------------------------------------
Muhammad himself eats Dates
Sahih Bukhari Volume 2, Book 15, Number 73:
Narrated Anas bin Malik,:
Allah's Apostle never proceeded (for the prayer) on the Day of 'Id-ul-Fitr unless he had eaten some dates. Anas also narrated:
The Prophet used to eat odd number of dates.
From the foregoing we would assume that Muhammad would not suffer from either magic or poison.
--------------------------------------------------------------------------
Yet such is not the case since the same hadith literature claims that Muhammad suffered from the ill effects of both:
Sahih Bukhari Volume 4, Book 53, Number 400:
Narrated Aisha:
Once the Prophet was bewitched so that he began to imagine that he had done a thing which in fact he had not done.
http://www.usc.edu/schools/college/crcc/engagement/resources/texts/muslim/hadith/bukhari/053.sbt.html#004.053.400
Sahih Bukhari Volume 4, Book 54, Number 490:
Narrated 'Aisha:
Magic was worked on the Prophet so that he began to fancy that he was doing a thing which he was not actually doing
http://www.usc.edu/schools/college/crcc/engagement/resources/texts/muslim/hadith/bukhari/054.sbt.html#004.054.490
Narrated 'Aisha:
Magic was worked on Allah's Apostle so that he used to think that he had sexual relations with his wives while he actually had not (Sufyan said: That is the hardest kind of magic as it has such an effect)...
(Sahih al-Bukhari, Volume 7, Book 71, Number 660)
http://www.usc.edu/schools/college/crcc/engagement/resources/texts/muslim/hadith/bukhari/071.sbt.html#007.071.660
WORST OF ALL, POISON KILLED MUHAMMAD
A Jewess brought a poisoned (cooked) sheep for the Prophet who ate from it. She was brought to the Prophet and he was asked, "Shall we kill her?" He said, "No.
I continued to see the effect of the poison on the palate of the mouth of Allah's Apostle" (Sahih al-Bukhari, Volume 3, Book 47, Number 786)
http://www.usc.edu/schools/college/crcc/engagement/resources/texts/muslim/hadith/bukhari/047.sbt.html#003.047.786
I felt (the affects of this poison) on the uvula of Allah's Messenger. (Sahih Muslim, Book 026, Number 5430)
http://www.usc.edu/schools/college/crcc/engagement/resources/texts/muslim/hadith/muslim/026.smt.html#026.5430
"O 'Aisha!
I still feel the pain caused by the food I ate at Khaibar, and at this time, I feel as if my aorta is being cut from that poison." (Sahih al-Bukhari, Volume 5, Book 59, Number 713)
http://www.usc.edu/schools/college/crcc/engagement/resources/texts/muslim/hadith/bukhari/059.sbt.html#005.059.713
and
if you were a prophet then it would NOT HARM YOU[/COLOR][/B]." (Sahih al-Bukhari, Volume 7, Book 71, Number 669)
http://www.usc.edu/schools/college/crcc/engagement/resources/texts/muslim/hadith/bukhari/071.sbt.html#007.071.669
--------------------------------------------------------------------------
In light of the foregoing we are left with the following points:
1. Muhammad failed to take his own advise of eating some dates in order to avoid being harmed by either magic or poison. The problem with this position is that we find references in the hadith literature that he did eat dates.
2. Muhammad may have failed to eat dates on those specific times when he suffered from the ill effects of magic and poison. Two problems with this position. First, we are not told that Muhammad hadn't eaten dates during those events. Second, Muhammad could have simply eaten dates when he realized that he was bewitched or poisoned in order to undo their harmful effects.
3. Muhammad's medicinal advice was simply wrong and cannot protect from magic and poison. Any Muslim who thinks otherwise is free to try it at his or her own risk.
4. The most problematic aspect of all this is that the Jews had claimed that if Muhammad were a true prophet then poison would not have harmed him, and yet poison did harm him to such an extent that he himself believed it caused the illness which eventually led to his death. This means that Muhammad was a false prophet!
If he were a true prophet then the least thing Allah could have done is to insure that the poison that his messenger ingested would have no effects on him so as to provide concrete proof to the Jews that Muhammad was a true prophet even by their own criteria. For instance, contrast what happened with Muhammad to what happened to the blessed Apostle Paul when a poisonous viper bit him. Acts 28:1-6 Paul's miraculous protection led the people to wrongly conclude that he was a god! Although not a god, this miraculous intervention did prove that Paul was a real emissary of the true God. Allah could have done something similar for his messenger, but he didn't, thereby solidifying the doubts of the unbelievers regarding Muhammad's prophetic (il)legitimacy.