| Allergen | Species - Scientific Name | Species - Common Name | Allergen Type | Allergen Description | Class |
| Pan s 1 | Panulirus stimpsoni | spiny lobster | foods | tropomyosin
| non-IUIS |
| Par j 1 | Parietaria judaica | | weed Rosales | lipid transfer protein; homolog: pathogenesis related protein PR14; P5 protein
| IUIS |
| Par j 1.0101 | Parietaria judaica | | weed Rosales | N
| IUIS |
| Par j 1.0102 | Parietaria judaica | | weed Rosales | N
| IUIS |
| Par j 1.0201 | Parietaria judaica | | weed Rosales | N
| IUIS |
| Par j 2 | Parietaria judaica | | weed Rosales | lipid transfer protein; P2 protein
| IUIS |
| Par j 2.0101 | Parietaria judaica | | weed Rosales | N
| IUIS |
| Par j 2.0102 | Parietaria judaica | | weed Rosales | N
| IUIS |
| Par j 3 | Parietaria judaica | | weed Rosales | profilin
| IUIS |
| Par j 3.0101 | Parietaria judaica | | weed Rosales | N
| IUIS |
| Par j 3.0102 | Parietaria judaica | | weed Rosales | N
| IUIS |
| Par o 1 | Parietaria officinalis | | weed Rosales | lipid transfer protein
| IUIS |
| Pen a 1 | Penaeus aztecus | shrimp | foods | tropomyosin
| IUIS |
| Pen b 13 | Penicillium brevicompactum | | not specified not specified | alkaline serine protease
| IUIS |
| Pen b 26 | Penicillium brevicompactum | | fungi (moulds) Ascomycota Eurotiales | acidic ribosomal protein P1
| IUIS |
| Pen c 13 | Penicillium citrinum | | fungi (moulds) Ascomycota Eurotiales | alkaline serine protease
| IUIS |
| Pen c 19 | Penicillium citrinum | | fungi (moulds) Ascomycota Eurotiales | heat shock protein P70
| IUIS |
| Pen c 2 | Penicillium citrinum | | fungi (moulds) Ascomycota Eurotiales | vacuolar serine protease
| non-IUIS |
| Pen c 22w | Penicillium citrinum | | fungi (moulds) Ascomycota Eurotiales | enolase
| IUIS |
| Pen c 24 | Penicillium citrinum | | fungi (moulds) Ascomycota Eurotiales | elongation factor 1 beta
| IUIS |
| Pen c 3 | Penicillium citrinum | | fungi (moulds) Ascomycota Eurotiales | peroxisomal membrane protein
| IUIS |
| Pen ch 13 | Penicillium chrysogenum (formerly P. notatum) | | fungi (moulds) Ascomycota Eurotiales | alkaline serine protease
| IUIS |
| Pen ch 18 | Penicillium chrysogenum (formerly P. notatum) | | fungi (moulds) Ascomycota Eurotiales | vacuolar serine protease
| IUIS |
| Pen ch 20 | Penicillium chrysogenum (formerly P. notatum) | | fungi (moulds) Ascomycota Eurotiales | N-acetyl glucosaminidase
| IUIS |
| Pen i 1 | Penaeus indicus | shrimp | foods | tropomyosin
| IUIS |
| Pen m 1 | Penaeus monodon | black tiger shrimp | foods | tropomyosin
| IUIS |
| Pen m 2 | Penaeus monodon | black tiger shrimp | foods | arginine kinase; EC 2.7.3.3
| IUIS |
| Pen o 18 | Penicillium oxalicum | | fungi (moulds) Ascomycota Eurotiales | vacuolar serine protease
| IUIS |
| Per a 1 | Periplaneta americana | American cockroach | insects | Cr-PII
| IUIS |
| Per a 1.0101 | Periplaneta americana | American cockroach | insects | N
| IUIS |
| Per a 1.0102 | Periplaneta americana | American cockroach | insects | Cr-PII
| IUIS |
| Per a 1.0103 | Periplaneta americana | American cockroach | insects | Cr-PII
| IUIS |
| Per a 1.0104 | Periplaneta americana | American cockroach | insects | Cr-PII
| IUIS |
| Per a 1.02 | Periplaneta americana | American cockroach | insects | Cr-PII
| IUIS |
| Per a 3 | Periplaneta americana | American cockroach | insects | Cr-PI
| IUIS |
| Per a 3.01 | Periplaneta americana | American cockroach | insects | Cr-PI - C12
| IUIS |
| Per a 3.0201 | Periplaneta americana | American cockroach | insects | Cr-PI - C20
| IUIS |
| Per a 3.0202 | Periplaneta americana | American cockroach | insects | Cr-PI - C13
| IUIS |
| Per a 3.0203 | Periplaneta americana | American cockroach | insects | Cr-PI - C28
| IUIS |
| Per a 7 | Periplaneta americana | American cockroach | insects | tropomyosin
| IUIS |
| Per a 7.0101 | Periplaneta americana | American cockroach | insects | N
| IUIS |
| Per a 7.0102 | Periplaneta americana | American cockroach | insects | N
| IUIS |
| Per v 1 | Perna viridis | tropical green mussel | foods | tropomyosin
| non-IUIS |
| Pers a 1 | Persea americana | avocado | foods | endochitinase; homolog: pathogenesis related protein PR3
| IUIS |
| Pet c PR10 | Petroselinum crispum | parsley | foods | Pathogenesis-related protein
| non-IUIS |
| Pha a 1 | Phalaris aquatica | canary grass | grass Poales | N
| IUIS |
| Pha a 5 | Phalaris aquatica | canary grass | grass Poales | Clone 28
| non-IUIS |
| Pha v 1 | Phaseolus vulgaris | kidney bean, French bean | foods | Pathogenesis-related protein; PvPR1; PR2
| non-IUIS |
| Phl p 1 | Phleum pratense | timothy | grass Poales | I-beta-galactosidase fusion protein
| IUIS |
| Phl p 1.0101 | Phleum pratense | timothy | grass Poales | N
| IUIS |
| Phl p 1.0102 | Phleum pratense | timothy | grass Poales | N
| IUIS |
| Phl p 11 | Phleum pratense | timothy | grass Poales | homology: trypsin inhibitor; Profilin-1; Pollen allergen
| IUIS |
| Phl p 12 | Phleum pratense | timothy | grass Poales | profilin
| IUIS |
| Phl p 13 | Phleum pratense | timothy | grass Poales | polygalacturonase
| IUIS |
| Phl p 2 | Phleum pratense | timothy | grass Poales | Phl p Va
| IUIS |
| Phl p 4 | Phleum pratense | timothy | grass Poales | Pectate Lyases; g208
| IUIS |
| Phl p 5 | Phleum pratense | timothy | grass Poales | Ag25
| IUIS |
| Phl p 5.0101 | Phleum pratense | timothy | grass Poales | N
| IUIS |
| Phl p 5.0102 | Phleum pratense | timothy | grass Poales | Phl p Va
| IUIS |
| Phl p 5.0103 | Phleum pratense | timothy | grass Poales | 7.4.5.II17
| IUIS |
| Phl p 5.0104 | Phleum pratense | timothy | grass Poales | 6.1.8.II8
| IUIS |
| Phl p 5.0105 | Phleum pratense | timothy | grass Poales | 10022
| IUIS |
| Phl p 5.0106 | Phleum pratense | timothy | grass Poales | 10027
| IUIS |
| Phl p 5.0107 | Phleum pratense | timothy | grass Poales | 10029
| IUIS |
| Phl p 5.0108 | Phleum pratense | timothy | grass Poales | 10030
| IUIS |
| Phl p 5.0201 | Phleum pratense | timothy | grass Poales | Phl p Vb
| IUIS |
| Phl p 5.0202 | Phleum pratense | timothy | grass Poales | 7.1.1.II3
| IUIS |
| Phl p 5.0203 | Phleum pratense | timothy | grass Poales | N
| non-IUIS |
| Phl p 5.0206 | Phleum pratense | timothy | grass Poales | N
| non-IUIS |
| Phl p 5.0207 | Phleum pratense | timothy | grass Poales | N
| non-IUIS |
| Phl p 6 | Phleum pratense | timothy | grass Poales | N
| IUIS |
| Phl p 7 | Phleum pratense | timothy | grass Poales | Calcium-binding pollen allergen; Polcalcin; P7
| non-IUIS |
| Pho d 2 | Phoenix dactylifera | date palm | tree Arecales | profilin
| IUIS |
| Pis s 1 | Pisum savitum | pea | foods | vicilin
| IUIS |
| Pis s 1.0101 | Pisum savitum | pea | foods | vicilin
| IUIS |
| Pis s 1.0102 | Pisum savitum | pea | foods | vicilin
| IUIS |
| Pis s 2 | Pisum savitum | pea | foods | convicilin
| IUIS |
| Pla a 1 | Platanus acerifolia | London plane tree | tree Platanaceae | invertase inhibitor
| IUIS |
| Pla a 2 | Platanus acerifolia | London plane tree | tree Platanaceae | N
| IUIS |
| Pla a 3 | Platanus acerifolia | London plane tree | tree Platanaceae | lipid transfer protein
| IUIS |
| Pla l 1 | Plantago lanceolata | English plantain | tree Lamiales Plantaginaceae | Glycoprotein
| IUIS |
| Pla l 1.0101 | Plantago lanceolata | English plantain | tree Lamiales Plantaginaceae | N
| non-IUIS |
| Pla l 1.0102 | Plantago lanceolata | English plantain | tree Lamiales Plantaginaceae | N
| non-IUIS |
| Pla l 1.0103 | Plantago lanceolata | English plantain | tree Lamiales Plantaginaceae | N
| non-IUIS |
| Plo i 1 | Plodia interpunctella | Indianmeal moth | insects | arginine kinase EC 2.7.3.3
| non-IUIS |
| Poa p 1 | Poa pratensis | Kentucky blue grass | grass Poales | group I
| IUIS |
| Poa p 2 | Poa pratensis | Kentucky blue grass | grass Poales | group II
| non-IUIS |
| Poa p 5 | Poa pratensis | Kentucky blue grass | grass Poales | old name: Poa p 9, Poa p IX
| IUIS |
| Poa p 9 | Poa pratensis | Kentucky blue grass | grass Poales | new name: Poa p 5; KBG 31
| non-IUIS |
| Poa p a | Poa pratensis | Kentucky blue grass | grass Poales | Expansin
| non-IUIS |
| Poa p b | Poa pratensis | Kentucky blue grass | grass Poales | N
| non-IUIS |
| Pol a 1 | Polistes annularies | wasp | insects | phospholipase A1; EC 3.1.1.32; EC 3.1.1.4
| IUIS |
| Pol a 2 | Polistes annularies | wasp | insects | Hyaluronidase; Hyaluronoglucosaminidase; EC 3.2.1.35
| IUIS |
| Pol a 5 | Polistes annularies | wasp | insects | antigen 5; Venom allergen 5; Ag5
| IUIS |
| Pol d 1 | Polistes dominulus | Mediterranean paper wasp | insects | N
| IUIS |
| Pol d 4 | Polistes dominulus | Mediterranean paper wasp | insects | serine protease
| IUIS |
| Pol d 5 | Polistes dominulus | Mediterranean paper wasp | insects | Antigen 5; Ag5; Venom allergen 5
| IUIS |
| Pol e 1 | Polistes exclamans | wasp | insects | phospholipase A1
| IUIS |
| Pol e 5 | Polistes exclamans | wasp | insects | antigen 5; Ag5; Venom allergen 5
| IUIS |
| Pol f 5 | Polistes fuscatus | wasp | insects | antigen 5; Ag5; Venom allergen 5
| IUIS |
| Pol g 5 | Polistes gallicus | wasp | insects | antigen 5; Ag5; Venom allergen 5
| IUIS |
| Pol m 5 | Polistes metricus | wasp | insects | antigen 5
| IUIS |
| Pru ar 1 | Prunus armeniaca | apricot | foods | homolog: Bet v 1; homolog: pathogenesis related protein PR10
| IUIS |
| Pru ar 3 | Prunus armeniaca | apricot | foods | lipid transfer protein; homolog: pathogenesis related protein PR14
| IUIS |
| Pru av 1 | Prunus avium | sweet cherry | foods | homolog: Bet v 1; homolog: pathogenesis related protein PR10
| IUIS |
| Pru av 1.0101 | Prunus avium | sweet cherry | foods | N
| IUIS |
| Pru av 1.0201 | Prunus avium | sweet cherry | foods | N
| IUIS |
| Pru av 1.0202 | Prunus avium | sweet cherry | foods | N
| IUIS |
| Pru av 1.0203 | Prunus avium | sweet cherry | foods | N
| IUIS |
| Pru av 2 | Prunus avium | sweet cherry | foods | homolog: thaumatin; homolog: pathogenesis related protein PR5
| IUIS |
| Pru av 3 | Prunus avium | sweet cherry | foods | lipid transfer protein
| IUIS |
| Pru av 4 | Prunus avium | sweet cherry | foods | Profilin; Pru a 3
| IUIS |
| Pru d 3 | Prunus domestica | European plum | foods | lipid transfer protein
| IUIS |
| Pru d a | Prunus domestica | European plum | foods | 2S albumin, seed storage protein
| non-IUIS |
| Pru d b | Prunus domestica | European plum | foods | 2S albumin, seed storage protein
| non-IUIS |
| Pru p 3 | Prunus persica | peach | foods | lipid transfer protein; homolog: pathogenesis related protein PR14;
| IUIS |
| Pru p 4 | Prunus persica | peach | foods | profilin
| IUIS |
| Pru p 4.0101 | Prunus persica | peach | foods | profilin, Pru p 4.01
| IUIS |
| Pru p 4.0201 | Prunus persica | peach | foods | profilin, Pru p 4.02
| IUIS |
| Psi c 1 | Psilocybe cubensis | | fungi (moulds) Basidiomycotina Hymenomycetes | N
| IUIS |
| Psi c 2 | Psilocybe cubensis | | fungi (moulds) Basidiomycotina Hymenomycetes | cyclophilin
| IUIS |
| Pyr c 1 | Pyrus communis | pear | foods | homolog: Bet v 1; homolog: pathogenesis related protein PR10
| IUIS |
| Pyr c 3 | Pyrus communis | pear | foods | lipid transfer protein
| non-IUIS |
| Pyr c 4 | Pyrus communis | pear | foods | profilin
| IUIS |
| Pyr c 5 | Pyrus communis | pear | foods | homolog: isoflavone reductas
| IUIS |