Can I get plastic surgery if I have implant allergy?

I have allergy issues.

**Current Conditions**
- Nickel allergy
- Metal allergy
- Sensitive skin

**Desired Surgery**
- Rhinoplasty

**Questions**
1. Can I use silicone implants?
2. Are there hypoallergenic options?
3. Should I do allergy testing first?
4. Is rib cartilage safer for me?

Allergy sufferers, please share!