Brief Answer: No STIs or Fungal infection Detailed Answer: Hello, Thanks for posting your query on XXXXXXX None of your symptoms are suggesting of Sexually Transmitted Infection. Even though STIs are transmitted through oral sex, you will get these infections if your partner is having STIs. Your medical history and symptoms are not favoring any of the STIs like HSV 1, HPV, Chlamydia, Gonorhhoea, HIV or Syphilis. As you a mentioned in the history that your wife had fungal infection in the past, these yeasts are normally present in the flora, when ever there is an imbalance in the environment they will produce the symptoms and on proper medication it will be cured and this is not a sexually transmitted infection. If there is a active fungal infection your wife might have severe itching, burning micturation, curdy discharge and pain as you have not mentioned any of the symptoms, she might not having fungal infection. As you have taken natural herbals irregularly to reduce the weight, you may be allergic to some of the composition of the garcinia gambogia and green coffee. This may be leading to your symptom like dark lip and tingling sensation. As you have taken the antibiotic, if there is any secondary infection following this as reduced your symptoms. Nothing to worry as your wife is not having any of the symptoms of fungal infection or STIs. If your symptoms persist you test your blood for Absolute eosinophil count (AEC) to know whether you are having any allergic reaction. If there is a elevated AEC then you need to think regarding allergen causing this. There are test to detect the allergen causing allergy to you. Hope I have cleared all your doubt. Still if you are having any query please feel free to post the query. Thank you.

---