Why do I get canker sores on my tongue instead of a blister on my lip? I have herpes simplex 1

Different animals... Canker sores aren't to be confused with cold sores (which result from herpes virus). Canker sores are not viral, and they are not infectious - they are similar to other immune type reactions, such as dermatitis, etc, and are frequently related to stress (local or systemic). The lesion on your lip would more likely be a cold sore, and your tongue is a more typical place to get a canker sore.
Different Causes. Hsv & aphthous ulcers can both benefit from in-office laser therapy (takes less than 5 minutes and significantly reduces pain and length of the presence of the lesions. Hsv episodes can be reduced and on occasion & "prevented" with a daily Valtrex (valacyclovir) regimen. Aphthous ulcers, unless you are lucky to have pinpointed what cause yours to surface more readily, there is not a med that will prevent onset.

Related Questions

I have herpes simplex 1 and instead I get canker sores on my tongue what can I do to get rid of them faster or prevent them?

A miserable issue. For sure. Canker: discontinue toothpaste that has sodium lauryl sulfate, limit acidic foods and try to avoid trauma of oral tissues w toothbrush/utensils. Look for zilactin products in pharmacy to apply. Best medicine is rx steroid in an oral bandage delivery called "orabase". Lasers can help if your dentist has one. Read more...
Different Causes. Hsv & aphthous ulcers can both benefit from in-office laser therapy (takes less than 5 minutes and significantly reduces pain and length of the presence of the lesions. Hsv episodes can be reduced and on occasion "prevented" with a daily Valtrex (valacyclovir) regimen. Aphthous ulcers, unless you are lucky to have pinpointed what cause yours to surface more readily, there is not a medication that you can take. Read more...

Can I get herpes simplex 2 on my vagina from having oral sex that has herpes simplex 1 on their mouth?

No, but, Herpes simplex 1 & herpes simplex 2 are distinct viruses. You cannot get hsv2 from someone who only has hsv1, but you can get hsv1 in the genital area or hsv2 around the mouth. It is possible to have hsv 1 & 2 both in either the oral area or the gential area. Read more...

I had a pimples in the corners of my mouth no pain doctor said my lips where dry to use vasline the pimples are back and hurt is it herpes simplex 1?

Perhaps. More than likely if it's recurrent and painful sores on lips +/- skin around the lips, it's herpes simplex- type 1. It is a reactivation virus that becomes quiescent or inactive but virus is still dormant and can recur especially under circumstances of stress - creams like abreva or Denavir (penciclovir) decrease the pain + length of time sores are present but no cure available. Read more...

Could you pick up clinically tested for herpes simplex 1 (the mouth herpes)?

Testing. A herpes viral culture can determine if a rash is due to the herpes virus. A doctor can perform this if there is an active lesion. If there is no active lesion, a blood test can be performed to determine if there are antibodies against any recent or past herpes infection. Read more...