Nelsons? Teetha? Teething Gel is a homeopathic medicinal product used within the homeopathic tradition for the symptomatic relief of teething pain and the symptoms associated with teething, which are sore and tender gums, flushed cheeks and dribbling. This handy gel format is sugar free and easy to apply when you're on-the-go. Nelsons? Teetha? Teething Gel is a homeopathic medicinal product used within the homeopathic tradition for the symptomatic relief of teething pain and the symptoms associated with teething, which are sore and tender gums, flushed cheeks and dribbling. This handy gel format is sugar free and easy to apply when you're on-the-go.